package main

import (
	"context"
	"encoding/json"

	"github.com/bogosj/tesla"
	"golang.org/x/oauth2"
)

var mfaCode string

func noDevice(ctx context.Context, devices []tesla.Device) (d tesla.Device, passcode string, err error) {
	return devices[0], mfaCode, nil
}
func login(ctx context.Context, username string, password string, tok string) (string, error) {
	var client *tesla.Client
	var err error
	if username == "" {
		client, err = tesla.NewClient(
			ctx,
			tesla.WithToken(&oauth2.Token{
				RefreshToken: tok,
			}),
		)
	} else {
		mfaCode = tok
		client, err = tesla.NewClient(
			ctx,
			tesla.WithMFAHandler(noDevice),
			tesla.WithCredentials(username, password),
		)
	}
	if err != nil {
		log.LogErrorType(err)
		return "", err
	}
	t, err := client.Token()
	if err != nil {
		log.LogErrorType(err)
		return "", err
	}
	ret, err := json.Marshal(t)
	if err != nil {
		log.LogErrorType(err)
		return "", err
	}
	return string(ret), nil
}